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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Sand Point in Alaska

Posted by admin on September 23, 2020 0 Comments

Earthquake location 54.8099S, -160.7325WA light earthquake with magnitude 4.3 (ml/mb) was reported 60 km SSW of Sand Point, Alaska (37 miles) on Thursday. Global time and date of event 17/09/20 / 2020-09-17 07:51:40 / September 17, 2020 @ 7:51 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000bpaz. Ids that are associated to the event: ak020bzrqmoq, us7000bpaz. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. Exact location of earthquake, longitude -160.7325 West, latitude 54.8099 North, depth = 35 km. The 4.3-magnitude earthquake was detected at 07:51:40 / 7:51 am (local time epicenter).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days eight, in the past 30 days twenty-six and in the last 365 days two hundred and fifty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 60 km SSW of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -160.7325° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.8099° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 60 km SSW of Sand Point, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-17 07:51:40 Time when the event occurred. UTC/GMT
Updated 2020-09-23 10:40:20 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 2.7 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 286 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.56 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 72 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000bpaz Id of event.
Event Code 7000bpaz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020bzrqmoq,us7000bpaz, A comma-separated list of event ids that are associated to an event.

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